| 3   -8
|         | = ( -14 )
| -4   6

| 0   -4
|         | = (   )
| -1   -8

| 2   6
|         | = (   )
| 1   -9

| 8   6
|         | = (   )
| -8   -3

| 7   6
|         | = (   )
| -9   4

| 8   1
|         | = (   )
| 9   1

| -7   8
|         | = (   )
| 2   8

 +[         ]

| -7   4
|         | = ( -2 )
| 4   -2

| 4   6
|         | = (   )
| -4   -7

| 7   -6
|         | = (   )
| -8   1

| 2   6
|         | = (   )
| 4   7

| 9   3
|         | = (   )
| 5   2

| -6   9
|         | = (   )
| -7   3

| 2   1
|         | = (   )
| -5   -7

 +[         ]

| 4   -9
|         | = ( 15 )
| -1   6

| -5   -3
|         | = (   )
| -9   5

| 5   0
|         | = (   )
| 0   6

| 4   5
|         | = (   )
| 9   -8

| -4   7
|         | = (   )
| -5   0

| -4   5
|         | = (   )
| -7   1

| 6   9
|         | = (   )
| -1   8

 +[         ]

| 9   -3
|         | = ( 15 )
| -7   4

| 9   -2
|         | = (   )
| 9   -3

| -7   2
|         | = (   )
| -1   6

| -9   7
|         | = (   )
| -9   -3

| 6   -3
|         | = (   )
| -2   -7

| 7   -9
|         | = (   )
| -8   -3

| -2   -2
|         | = (   )
| -3   -5

 +[         ]

  ++[[            ]]